Excavator hydraulic system cleaning tips

1. When cleaning the general hydraulic system, the working hydraulic oil or test oil is mostly used. Do not use kerosene, gasoline, alcohol, steam or other liquids to prevent corrosion of hydraulic components, pipelines, fuel tanks and seals.

2, cleaning process, hydraulic pump operation and cleaning medium heating at the same time. When the temperature of cleaning oil is (50-80)℃, the rubber residue in the system is easy to remove.

3. In the cleaning process, non-metallic hammer can be used to knock on the tubing, which can be continuously knocked or not continuously knocked to remove the attachment in the pipeline.

4, hydraulic pump intermittent operation is conducive to improve the cleaning effect, the intermittent time is generally (10-30)min.

5, in the cleaning oil circuit, should be installed filter or filter screen. At the beginning of cleaning, because of more impurities, can use 80 mesh filter, cleaning later use more than 150 mesh filter.

6, the cleaning time is generally (48-60) hours, according to the complexity of the system, filtration accuracy requirements and pollution degree and other factors.

7, in order to prevent rust caused by external moisture, at the end of the cleaning, the hydraulic pump will continue to operate until the temperature returns to normal.

8. After cleaning, clean the cleaning oil in the loop.